20762559

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 32104800

約数和(自身を除く): 11342241

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1399, 1649, 4197, 4947, 12591, 14841, 23783, 71349, 135703, 214047, 407109, 1221327, 2306951, 6920853, 20762559]

約数ペア:

[(1, 20762559), (3, 6920853), (9, 2306951), (17, 1221327), (51, 407109), (97, 214047), (153, 135703), (291, 71349), (873, 23783), (1399, 14841), (1649, 12591), (4197, 4947)]